You’re at a networking function and someone asks you what you do. “If you can’t tell me what you do in 15 seconds, I’m not buying.” So says Carmine Gallo, a communications consultant to some of the world’s biggest companies.

Gallo suggests that whether you’re pitching a product, service, investment, or idea, you should use a “message map” to create a visual display of your idea on a single page.

There are three steps:

Step One. Create a Twitter-friendly headlineStep Two. Support the headline with three key benefits.Step three. Reinforce the three benefits with stories, statistics, and examples.

You can see this process in more detail, including a short video demonstration, in this post on Forbes.com.

I tried this for The Attorney Marketing Center:

Step One: Headline

The Attorney Marketing Center helps attorneys earn more and work less.

This is the single most important thing I want people to know about my company and blog. In fact, I use “Earn more. Work Less.” as a tag line on the blog.

Step Two: Three benefits

We do this by showing attorneys how to

Get more clients,

Increase their income, and

Get more done in less time

These are three benefits attorneys get when they read the blog, buy my products, or hire me to help them.

Step Three: Supporting points

If I want to elaborate in a presentation or in sales copy, these are some bullet points I would use to prompt me: